var name ='火猪'
console.log(name);
var x ='火猪'
console.log(x)
x = {
    name:'刘毅',
    age: 20,
}
console.log(y);
y=function(){
    console.log('这可能是一个函数')
    return 6666
}
console.log(y())
console.log(666*2);
console.log(666/2);
console.log(6667%2);
